Normal Sudoku rules apply.
Normal Thermo rules apply. Digits must increase from the bulb to the end.
Anti-knight's move constraint applies: no digit can be a chess knight's move away from itself.
I am not an artist, but with a little imagination, I can see a Knight in shining armour mounted on a horse, ready to enter the jousting arena, with a princess in the far right stands watching.
Try this on f-puzzles: Thermo Knight Sudoku
Solution code: Row 1 followed by column 3.
on 9. January 2021, 03:00 by Woodsy
Checked the Sudoku box to help search function.